For what value of x is line a parallel to line b?

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Is there an x intercept in the equation 60*1.15^x